21732280

素因数分解:

$2^3\times 5^1\times {\mathrm{543307}}^1$

素因数の和:543318

約数の個数: 16

約数和(自身を含む): 48897720

約数和(自身を除く): 27165440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 543307, 1086614, 2173228, 2716535, 4346456, 5433070, 10866140, 21732280]

約数ペア:

[(1, 21732280), (2, 10866140), (4, 5433070), (5, 4346456), (8, 2716535), (10, 2173228), (20, 1086614), (40, 543307)]